63 results about "Concrete masonry unit" patented technology

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, road beds and other articles.

Dust and debris resulting from the sawing or cutting of concrete masonry units, blocks, bricks, tiles and other masonry products is collected via a three point dust and debris collection system. A movable work supporting table for cooperation with a masonry saw has a grated surface, a vacuum chamber below the grated surface acting as one collection point or area, a heavy debris collection chamber below and in communication with the table vacuum chamber acting as another collection point or area, and a shroud or hood assembly extending rearwardly from the table adapted to extend about the sides and rear of the saw blade and including a vacuum chamber acting as a primary collection point or area. The system is highly effective in achieving dust capture.

Mortar and debris collection systems for cavity wall construction and / or walls constructed from concrete masonry units (CMU), for example, include a mesh body made of a material that is formed with circuitous paths therethrough making the body water-permeable. The mesh body is formed of a material having enhanced hydrophobic properties. The mesh body has a porosity sufficient to permit water to pass therethrough but insufficient to permit mortar and other debris to pass therethrough to weep holes or other water channels covered by the collection debris.

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

An automated block or brick construction apparatus is provided by adapting a base transport assembly with a specialized working platform for brick, block and mortar. The working platform houses at least one robotic arm to accurately position mortar and block or brick in place on a wall construction. The working platform is controlled by a 3-D stringless guidance system for positioning vertically, horizontally, and laterally. The robotic arms place and position a block or brick and stage the subsequent blocks or bricks for installation. A first robotic arm can apply mortar onto a wall while a second robotic arm places a concrete masonry unit accurately onto the mortar and also place blocks in position. Application and movement of mortar and blocks are controlled by a programmable central processing unit.

An uniquely improved mortar less masonry structure comprising a plurality of concrete masonry units connected to each other by metal bars and metal threaded fasteners thereby forming a reinforcing skeletal system for the masonry to utilize a post tensioned structure. The unique system has been developed with full recessed channels in the masonry unit, anchor bars that fit into the channels and extend across a plurality of masonry units and bolts that act as the tendon for the post tensioning system. This is an improved, rapidly constructed building system that demountably couples each individual masonry unit by an extended bar and bolt system. This extended bar is more efficient and easier to build with as compared to other traditional masonry structures.

A drainage system for use in concrete masonry unit (CMU) wall construction comprises a tray unit of a size corresponding to size of CMUs, to be received beneath a course of CMUs, in use. The tray unit comprises opposite side flanges to abut a superjacent CMU and supporting a pan therebelow. A strip of water permeable material is attached to an upper surface of the pan and extends transversely beyond a front edge of the pan. A block of water permeable material is positioned above the pan and extends upwardly into a hollow core of a CMU. The water permeable material of the strip and the block has a porosity sufficient to permit water to pass there through but substantially insufficient to permit mortar and debris to pass there through so that water in a hollow core of a CMU drains through the strip.

A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate, where the particles contain an antimicrobial agent; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, dining tables, counter surfaces, bench tops, and / or examination tables as well as other articles.

A stackable masonry unit having male and female elements that cooperate with complementary female and male elements on identical, opposing, adjoining units to create an interlocking two- or three-unit module from single design element. Each interlocking module comprises a portion of a course in a block wall made of cementitious material, e.g., a concrete masonry unit or insulating concrete foam.

A water vapor release and moisture seal device for use in association with brick, wood, stone, and cement or concrete masonry unit (CMU) buildings is provided. The device has a first layer metal housing and second layer metal housing which are inserted over the top of the parapet walls of a flat or slightly slanted-roofed building. A water resistant cloth and mesh material layer is inserted between the metal housings. A fastener secures the second layer metal housing to parapet wall of the building in two places, once each on the exterior and interior of the parapet wall. The housings interlock with each other on the exterior side of the wall and with a fastener on the interior side of the wall. The device is secured to the top of a wall of a building and allows the wall to breathe properly and eliminate moisture.

A cementitious composition for the molding of ultra-lightweight, durable, large structural units comprising Portland cement, coal combustion byproducts, expanded or extruded polystyrene and water, and a modified block machine used in the manufacture of such structural units.

A masonry wire reinforcement apparatus and system is disclosed for anchoring a veneer wall to a backup wall of Concrete Masonry Units using a masonry wire reinforcement product embedded into an inner support wall, along with clips and pintle ties, such that the clip is attached to the masonry wire reinforcement product and is configured to receive the pintle tie, which then is attached to the veneer wall. Also disclosed is a thermal attachment that can be attached to the clip and accept the pintle tie thereby reducing the transfer of energy from the outer veneer wall to the inner support wall.

A masonry wire reinforcement apparatus and system is disclosed for anchoring a veneer wall to a backup wall of Concrete Masonry Units using a masonry wire reinforcement product embedded into an inner support wall, along with clips and pintle ties, such that the clip is attached to the masonry wire reinforcement product and is configured to receive the pintle tie, which then is attached to the veneer wall. Also disclosed is a thermal attachment that can be attached to the clip and accept the pintle tie thereby reducing the transfer of energy from the outer veneer wall to the inner support wall

A non-top-supported column attachment bracket assembly is provided, that includes a generally W-shaped bracket to provide a strong connection between non-top supported wood fences and masonry walls such as concrete masonry unit (CMU) walls or cast in place (CIP) walls. The W-shape provides a matrix inside the hardening structure of the wall, while simultaneously engaging the horizontal reinforcing bar of the wall. The W-anchor further includes a cover plate disposed onto the bracket. The W-shaped bracket can be installed to the upper portion of the wall just prior to grouting or during grouting, where the bracket can be pressed onto the horizontal bar before the grout has hardened. After the hardening structure is cured, fencing posts are attached to a column connection portion of the W-anchor that extends from the top of the wall.

A non-top-supported column attachment bracket assembly is provided, that includes a generally W-shaped bracket to provide a strong connection between non-top supported wood fences and masonry walls such as concrete masonry unit (CMU) walls or cast in place (CIP) walls. The W-shape provides a matrix inside the hardening structure of the wall, while simultaneously engaging the horizontal reinforcing bar of the wall. The W-anchor further includes a cover plate disposed onto the bracket. The W-shaped bracket can be installed to the upper portion of the wall just prior to grouting or during grouting, where the bracket can be pressed onto the horizontal bar before the grout has hardened. After the hardening structure is cured, fencing posts are attached to a column connection portion of the W-anchor that extends from the top of the wall.

An improved mortar less masonry structure comprising a plurality of concrete masonry units connected to each other by metal bars and metal threaded fasteners thereby forming a reinforcing skeletal system for a post tensioned structure. The improved system has been developed for use in constructing various types of masonry structures. The improvements of the system feature masonry units with recessed channels, pocket channels, or fully embedded bars as anchors. The bolt acts as the tendon for the post tensioning system which traverse the hollow cavities as ducts. Other new features teach a strong and durable full plate anchor and high strength tendons for defensive and anti-terrorism structures. This is an improved building system that demountably couples each individual masonry unit by a bar and bolt system. This coupling results in stronger, faster, and cheaper construction of masonry structures.